Arrange the elements S, O, Na, and Li in the | vedclass

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Question

(A) The atomic radius increases down a group and decreases across a period from left to right.$Na$ $(Group \ 1, Period \ 3)$ has the largest radius.$L

Vedclass · Accepted Answer

$Na > Li > S > O$

Vedclass · Answer

(A) The atomic radius increases down a group and decreases across a period from left to right.$Na$ $(Group \ 1, Period \ 3)$ has the largest radius.$Li$ $(Group \ 1, Period \ 2)$ is smaller than $Na$.$S$ $(Group \ 16, Period \ 3)$ is smaller than $Li$ because it is to the right of $Na$ in the same period.$O$ $(Group \ 16, Period \ 2)$ is the smallest as it is at the top right of the given elements.Thus,the decreasing order is $Na > Li > S > O$.

Arrange the elements $S, O, Na,$ and $Li$ in the decreasing order of their atomic radii.

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